Bob Watson BSc [Hons], BA, MHort [RHS], MIHort, CBiol, MIBiol, has spent a large part of his working life as a lecturer in amenity tree management, tree biology, arboriculture, urban forestry and forest pathology. He retired in 1988 from the post of Head of School, Forestry and Woodland Management at the National School of Forestry, University of Central Lancashire, but until 2005 still lectured there in plant science, tree biology and arboriculture on a part-time basis. Resident - Devon